This refined mid-19th century portrait depicts Baronesse Eschassériaux, the wife of Baron René-François-Eugène Eschassériaux, a Bonapartist legislator under Napoleon III. Painted circa 1852 by André Brossard—a Paris-trained portraitist active in La Rochelle—this work embodies the academic precision and elegant restraint typical of provincial aristocratic portraiture under the Second Empire. With its rich textiles and poised composition, the painting reflects both the artist’s Beaux-Arts training and the sitter’s social stature. Baron Eugène Eschassériaux was a deputy in the French Corps législatif and an influential Bonapartist. His marriage to the sitter, Baronesse Eschassériaux, coincided with the political consolidation of the Second Empire. This portrait, painted by Brossard—a student of Gros and Delaroche—reflects the Eschassériaux family’s social prominence in Charente-Maritime. Brossard was known for capturing the elegance of the local elite, with other works now housed in the Musée des Beaux-Arts de La Rochelle.